<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="课程名称" prop="coursename">
        <el-input
          v-model="queryParams.coursename"
          placeholder="请输入课程名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:photos:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['system:photos:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:photos:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['system:photos:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="photosList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="ID" align="center" prop="id" />
      <el-table-column label="课程分类" align="center" prop="classname" />
      <el-table-column label="学生班级" align="center" prop="studentclass" />
      <el-table-column label="课程名称" align="center" prop="coursename" />
      <el-table-column label="学习风采" align="center" prop="imgphotos">
        <template slot-scope="scope">
          <div style="display: flex; flex-direction:row; justify-content:center; align-items:center;">
              <div v-if="scope.row.imgphotos!=null && scope.row.imgphotos!=''" style="display: flex; flex-direction:row; justify-content:center; align-items:center;">
                <img v-for="item in showimg(scope.row.imgphotos)" :src="item" style="width:38px;height:38px;padding:2px;border:1px solid #999; margin-right:2px;"></img>
              </div>  
            </div>
        </template>
      </el-table-column>
      <el-table-column label="创建时间" align="center" prop="createtime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createtime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:photos:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:photos:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改【请填写功能名称】对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="课程分类" prop="classname">
          <el-input v-model="form.classname" placeholder="请输入课程分类" />
        </el-form-item>
        <el-form-item label="学生班级" prop="studentclass">
          <el-input v-model="form.studentclass" placeholder="请输入学生班级" />
        </el-form-item>
        <el-form-item label="课程名称" prop="coursename">
          <el-input v-model="form.coursename" placeholder="请输入课程名称" />
        </el-form-item>
        <el-form-item label="图片集" prop="imgphotos">
          <el-upload ref="field101"
              multiple
              action="#"
              :on-change="handleFileChange"
              :before-remove="handleFileRemove"
              list-type="picture"
              :file-list="upload.fileList" 
              :auto-upload="false"
              :before-upload="field101BeforeUpload">
              <el-button size="small" type="primary" icon="el-icon-upload" v-hasPermi="['system:photos:upload']">点击上传 (支持多图) </el-button>
            </el-upload>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listPhotos, getPhotos, delPhotos, addPhotos, updatePhotos } from "@/api/system/photos";
import axios from 'axios';
import { getToken } from '@/utils/auth'
export default {
  name: "Photos",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 【请填写功能名称】表格数据
      photosList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        classname: null,
        studentclass: null,
        coursename: null,
        imgphotos: null,
        createtime: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      },
      upload: {
        fileList: [],
        fileName: []
      },
    };
  },
  created() {
    this.getList();
  },
  methods: {
    showimg(imglist){
      let tempimg=imglist.replace("[","").replace("]","");
       let arr=[];
       if(tempimg.indexOf(",")!=-1){
          arr=tempimg.split(",");
       }else{
          arr.push(tempimg);
       }
       return arr;
    },
    // 上传发生变化钩子
    handleFileChange(file, fileList) {
      this.upload.fileList = fileList;
    },
    // 删除之前钩子
    handleFileRemove(file, fileList) {
      this.upload.fileList = fileList;
    },
    field101BeforeUpload(file) {
      let isRightSize = file.size / 1024 / 1024 < 2
      if (!isRightSize) {
        this.$message.error('文件大小超过 2MB')
      }
      return isRightSize
    },
    submitPics(dataid){
        // 创建新的数据对象
        let formData = new FormData();
        // 将上传的文件放到数据对象中
        this.upload.fileList.forEach(file => {
          console.log("循环文件:",file);
          formData.append('file', file.raw);
          this.upload.fileName.push(file.name);
        });
        console.log("提交前",formData.getAll('file'));
        // 文件名
        formData.append('fileName', this.upload.fileName);
        // 自定义上传
        //http://localhost:8080/common/OssUploadImage/
        //https://ylhuashi.cn/common/OssUploadImage/
        axios.post(`https://ylhuashi.cn/common/FengCaiOssUploadImage/`+dataid,formData,{headers:{Authorization:'Bearer ' + getToken()}}).then(res => {
        //axios.post(`http://localhost:8080/common/FengCaiOssUploadImage/`+dataid,formData,{headers:{Authorization:'Bearer ' + getToken()}}).then(res => {
            console.log("上传多图片成功",res);
            if(res.status===200){
              this.upload.fileList=[];
            }
        })
        .catch(error => {
            console.error("上传文件失败",error);
        });
    },
    /** 查询【请填写功能名称】列表 */
    getList() {
      this.loading = true;
      listPhotos(this.queryParams).then(response => {
        console.log("学习风采数据:",response);
        this.photosList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        classname: null,
        studentclass: null,
        coursename: null,
        imgphotos: null,
        createtime: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加【请填写功能名称】";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getPhotos(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改【请填写功能名称】";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updatePhotos(this.form).then(response => {
              console.log("当前formid===>",this.form.id);
              this.$modal.msgSuccess("修改成功");
              this.submitPics(this.form.id);
              this.open = false;
              this.getList();
            });
          } else {
            addPhotos(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              //先上传课程其它信息成功后，再提交上传的图片
              if(response.dataid!=null){
                  this.submitPics(response.dataid); //根据id上传课程图片
              }
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除【请填写功能名称】编号为"' + ids + '"的数据项？').then(function() {
        return delPhotos(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('system/photos/export', {
        ...this.queryParams
      }, `photos_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
